Commit 06fa5f75 authored by Yunfei Dong's avatar Yunfei Dong Committed by Mauro Carvalho Chehab
Browse files

media: mtk-vcodec: vdec: support stateless H.264 decoding 



Add support for H.264 decoding using the stateless API, as supported by
MT8183. This support takes advantage of the V4L2 H.264 reference list
builders.

[acourbot: refactor, cleanup and split]
[tzungbi: fix missing kerneldoc issue]
[hverkuil: fix trivial kerneldoc typo]

Signed-off-by: default avatarYunfei Dong <yunfei.dong@mediatek.com>
Co-developed-by: default avatarAlexandre Courbot <acourbot@chromium.org>
Signed-off-by: default avatarAlexandre Courbot <acourbot@chromium.org>
Signed-off-by: default avatarTzung-Bi Shih <tzungbi@google.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 8cdc3794

drivers/media/platform/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -314,6 +314,7 @@ config VIDEO_MEDIATEK_VCODEC 
	select V4L2_MEM2MEM_DEV

	select VIDEO_MEDIATEK_VCODEC_VPU if VIDEO_MEDIATEK_VPU

	select VIDEO_MEDIATEK_VCODEC_SCP if MTK_SCP

	select V4L2_H264

	help

	  Mediatek video codec driver provides HW capability to

	  encode and decode in a range of video formats on MT8173

drivers/media/platform/mtk-vcodec/Makefile

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@@ -7,6 +7,7 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \ 
mtk-vcodec-dec-y := vdec/vdec_h264_if.o \

		vdec/vdec_vp8_if.o \

		vdec/vdec_vp9_if.o \

		vdec/vdec_h264_req_if.o \

		mtk_vcodec_dec_drv.o \

		vdec_drv_if.o \

		vdec_vpu_if.o \

drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c

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drivers/media/platform/mtk-vcodec/vdec_drv_if.c

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@@ -19,6 +19,9 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc) 
	int ret = 0;



	switch (fourcc) {

	case V4L2_PIX_FMT_H264_SLICE:

		ctx->dec_if = &vdec_h264_slice_if;

		break;

	case V4L2_PIX_FMT_H264:

		ctx->dec_if = &vdec_h264_if;

		break;

drivers/media/platform/mtk-vcodec/vdec_drv_if.h

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